JP2008257567A - Maintenance work support system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a maintenance work support system, for enhancing safety in maintenance of target equipment. <P>SOLUTION: A central control room 4 includes a server 44, a data image-voice communication device 41, and a private broadcasting device 43. A portable field work maintenance support device 22 connected thereto by a communication line 3a through the communication device 41 includes a data image display device 22b which displays relevant information of plant equipment 1 stored in the server 44 and a voice communication device 22e which outputs voice information thereof. The voice communication device 22e outputs the voice from the private broadcasting device 43 to safely maintain the plant equipment 1. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a maintenance work support system that supports plant maintenance work.

Patent Document 1 discloses that data communication is possible, a field worker has a portable terminal having a data display device and a data storage device, receives necessary information from a management server via a wireless device, and displays data on the portable terminal. It is possible to obtain the information from the equipment and monitor and confirm the situation at the site, and send data from the mobile terminal to control plant equipment and issue a data collection start command for measuring instruments. Are listed.

Japanese Patent Laying-Open No. 2004-30492 (pages 3 to 8, FIG. 2)

In the conventional plant maintenance work like patent document 1, when using a network and raising work efficiency, there exists a problem that ensuring of safety | security and security are not enough.
In addition, the information transmitted through the network is only numeric data and a monitoring screen, and there is a problem that voice calls and video images are not transmitted.

The present invention has been made to solve the above-described problems, and an object of the present invention is to obtain a maintenance work support system that can improve the safety of maintenance work on a target device.

In the maintenance work support system according to the present invention, in the maintenance work support system for supporting the maintenance work of the target device,
A server device having a database for storing information related to maintenance work of the target device including voice information, a first communication device connected to the server device, and held by the worker, and communicates with the first communication device A portable field work maintenance support device having a second communication device connected to the first communication device via a communication line,
The portable field work maintenance support device receives information related to the maintenance work of the target device stored in the database of the server device via the second communication device, and displays the received information related to the maintenance work of the target device. And an audio output device that outputs audio information included in information related to maintenance work on the target device.

As described above, the present invention provides a maintenance work support system for supporting maintenance work on a target device.
A server device having a database for storing information related to maintenance work of the target device including voice information, a first communication device connected to the server device, and held by the worker, and communicates with the first communication device A portable field work maintenance support device having a second communication device connected to the first communication device via a communication line,
The portable field work maintenance support device receives information related to the maintenance work of the target device stored in the database of the server device via the second communication device, and displays the received information related to the maintenance work of the target device. Since the apparatus and the voice output device that outputs the voice information included in the information related to the maintenance work of the target device are provided, the safety of the maintenance work of the target device can be improved.

Embodiment 1 FIG.
FIG. 1 is a configuration diagram showing a maintenance work support system according to Embodiment 1 of the present invention.
In FIG. 1, the plant equipment 1 arranged at the site 2 is monitored by a plant operation monitoring device 5 in a central control room 4 connected by a communication line 3.
The plant equipment 1 needs to be regularly inspected so that it can be operated reliably, and when a failure occurs in the plant equipment 1, it must be repaired. Inspection / repair is performed by a field worker 21 on site 2 where the plant equipment 1 is installed. The field worker 21 has a portable field work maintenance support device 22.
The portable field work maintenance support device 22 includes a data / video display device 22b (display device), a data input device 22c (input device), and a voice call device 22e (voice output device). Further, a data / video / audio communication device 22a (second communication device) is provided so that necessary data can be exchanged and communicated with the central control room 4 through the communication line 3.
The communication line 3 includes an OFDM (Orthogonal Frequency Division Multiplexing) communication line terminal device 22f of the portable field work maintenance support apparatus 22, an OFDM communication line terminal apparatus 3b of the central control room 4, and a communication line path 3a connecting them. Become.

In the central control room 4, a data / video / audio communication device 41 (first communication device) is installed, and information transmitted from the local broadcasting device 43 and operation monitoring information in the server 44 (server device) You can communicate with the two. The server 44 is connected to the plant operation monitoring device 5, and can extract plant operation information and monitoring information as necessary, and can transmit operation operation information to the plant equipment 1.
The data / video / audio communication device 22a and the data / video / audio communication device 41 are configured by general devices that integrate a LAN line and an IP telephone network using an IP protocol.

FIG. 2 is an external view showing a mounting example of the portable field work maintenance support device of the maintenance work support system according to Embodiment 1 of the present invention.
In FIG. 2, a data / video / audio communication device 22a, a data / video display device 22b, a data input device 22c, and an OFDM communication line terminal device 22f are all housed in a single bag, and a portable field work maintenance support device 22 is provided. Therefore, it can be carried and used anywhere in the plant.
The OFDM communication line terminal device 22f and the OFDM communication line terminal device 3b are compatible with almost any cable as long as the communication line 3a is a cable having a metal core, and is spread over the entire plant. If the existing cable, for example, a test communication device line cable is used, communication between the central control room 4 and the entire plant becomes possible.

FIG. 3 is a diagram showing a data flow relating to alarm information of the maintenance work support system according to Embodiment 1 of the present invention.
In FIG. 3, 1, 2, 4, 5, 22, and 44 are the same as those in FIG. Reference numeral 45 denotes an office PC (personal computer) which is arranged in the central control room 4 and confirms an alarm of the server 44. The server 44 has a database 44a that stores plant alarm information.

FIG. 4 is a diagram showing an example of audio alarm information of the maintenance work support system according to Embodiment 1 of the present invention.
In FIG. 4, voice, melody, and signal sound are determined for each type of alarm (major failure, minor failure, no alarm). That is, for each type of alarm, three levels of information can be obtained: a major failure, a minor failure, and no alarm. FIG. 4 is for the category “turbine”.

Next, the operation will be described.
The field worker 21 has the portable field work maintenance support device 22 and goes to the work site where the plant equipment 1 to be worked is located. The data / video / audio communication device 22a of the portable field work maintenance support device 22 can notify the local worker 21 of the contents of the on-site broadcast received via the communication line 3, and can receive alarm information from the server 44. While being able to display on the spot, the contents inputted from the data input device 22 c can be transmitted to the plant operation monitoring device 5 via the server 44.
The alarm information is all stored in the server 44 from the plant equipment 1 through the plant operation monitoring device 5 as shown in FIG. The portable field work maintenance support device 22 obtains alarm information from the server 44.
As shown in FIG. 3, the plant operation monitoring device 5 collects alarm information from the plant equipment 1, performs plant alarm information search in response to a request from the server 44, and transfers the searched plant alarm information to the server 44. . The server 44 has a database 44a for storing plant alarm information, and transmits the plant alarm information stored in the database 44a in response to a plant alarm information request from the portable field work maintenance support device 22.
The portable field work maintenance support device 22 displays the received plant alarm information and outputs the sound information through a headphone speaker.

The field worker 21 uses the portable field work maintenance support device 22 to input a plant alarm information request, and obtains alarm information of the work target plant equipment 1 specified from the server 44.
First, regarding the alarm information of the target plant equipment 1 to be inspected, the situation can be obtained by voice. In other words, the status of alarm information of the inspection target category is confirmed in advance by audio signals. As this category, for example, in the case of a power plant, there are categories such as a turbine, a boiler, a utility related to water, and a utility related to ash treatment.

The audio alarm information in FIG. 4 is for the category “turbine”. Depending on the type of alarm, it is possible to obtain information in three stages: major failure, minor failure, and no alarm by voice, melody, and signal sound.
The choice of voice, melody, or signal sound can be set after the portable field work maintenance support device 22 is activated. When the portable field work maintenance support device 22 is connected to the server 44 and a plant alarm information request input is issued, the selected audio signal is transmitted from the server 44 to the portable field work maintenance support device 22 to be used by the field worker. By listening to this, 21 can obtain rough information in advance before starting work.

According to the first embodiment, as described above, the contents of the on-site broadcast can be reliably transmitted to the on-site worker even during the maintenance work, and the situation regarding the alarm information of the target category can be obtained by voice before entering the work. The safety of workers can be ensured by reliably transmitting safety information and disaster information.
In addition, there is no need to newly install a communication line that constitutes the maintenance work support system, and the construction cost can be reduced.
Further, since communication is performed using a communication line, security in communication can be improved.

Embodiment 2. FIG.
FIG. 5 is a block diagram showing a maintenance work support system according to Embodiment 2 of the present invention.
In FIG. 5, 1-5, 3a, 3b, 22, 22a-22c, 22e, 22f, 41, 44 are the same as those in FIG. In FIG. 5, the server 44 is provided with a maintenance work operation information monitoring information automatic saving function 44b for automatically saving maintenance work operation information and monitoring information. Further, the operation information monitoring information for maintenance work automatically stored is referred to by the office PC 45 of the server 44 and used for preparing a report.

FIG. 6 is a diagram showing a data flow when using the maintenance work operation information monitoring information automatic saving function of the maintenance work support system according to the second embodiment of the present invention.
In FIG. 6, reference numerals 1, 5, 22, 44, 44a and 45 are the same as those in FIG. In FIG. 6, the office work PC 45 is provided with a report creation function 45a.

Next, the operation will be described.
As shown in FIG. 6, if an operation input for maintenance work is performed by the portable field work maintenance support device 22, it is transmitted to the plant operation monitoring device 5 via the server 44, and from there to the plant equipment 1 for maintenance work operation. Output is done. Then, the plant operation monitoring device 5 receives the feedback input from the plant equipment 1 and transmits it to the portable field work maintenance support device 22 via the server 44 to perform feedback display.
The field worker performs maintenance work input to the plant equipment 1 using the screen display and keyboard input of the portable field work maintenance support device 22, and confirms the feedback display from the plant equipment 1 to perform maintenance work. To implement.
All operations and monitoring related to the maintenance work of the plant equipment 1 are executed via the server 44. Therefore, the maintenance operation operation information monitoring information automatic saving function 44b of the server 44 can capture the data passing through the server 44 and automatically save it in the database 44a.
The automatically saved data can be referred to from the office PC 45, and the maintenance work execution result data can be automatically input when the work report is created by the work report creation function 45a.

  According to the second embodiment, the maintenance operation result can be automatically recorded by storing all the operation information and monitoring information related to the maintenance operation in the server as described above, and it is necessary to prepare a work report document after the operation. This has the effect of reducing office work hours.

Embodiment 3 FIG.
FIG. 7 is a block diagram showing a maintenance work support system according to Embodiment 3 of the present invention.
In FIG. 7, 1-5, 3a, 3b, 22, 22a-22c, 22e, 22f, 41, 44, 45 are the same as those in FIG. In FIG. 7, maintenance related information / equipment drawing information 44 c is stored in the database 44 a of the server 44.

FIG. 8 is a diagram showing a data flow when using maintenance-related information / facility drawing information of the maintenance work support system according to Embodiment 3 of the present invention.
In FIG. 8, reference numerals 22, 44, 44a and 45 are the same as those in FIG. In FIG. 8, maintenance related information / facility drawing information 44c is stored in the database 44a. The office PC 45 is provided with a drawing registration function 45b.

Next, the operation will be described.
As shown in FIG. 8, in the server 44, maintenance related information / facility drawing information 44c is stored in the database 44a by performing drawing registration from the office PC 45 by the drawing registration function 45b.
The field worker obtains maintenance related information / equipment drawing information 44c from the server 44 by requesting the server 44 for necessary drawings using the screen display and keyboard input of the portable field work maintenance support device 22. The information can be displayed on the data / video display device 22b.

  According to the third embodiment, on-site workers can refer to maintenance-related information / equipment drawing information at any time during maintenance work as described above, and do not need to go to a material storage for obtaining information. There is an effect that the efficiency can be improved.

Embodiment 4 FIG.
FIG. 9 is a block diagram showing a maintenance work support system according to Embodiment 4 of the present invention.
9, 1-5, 3a, 3b, 22, 22a-22c, 22e, 22f, 41, 44, 45 are the same as those in FIG. In FIG. 9, work schedule information 44d is stored in the database 44a of the server 44, and work result information 44e corresponding to the maintenance work result is stored.

FIG. 10 is a diagram showing a data flow when the work schedule reference / work result of the maintenance work support system according to the fourth embodiment of the present invention is used.
10, reference numerals 22, 44, 44a and 45 are the same as those in FIG. In FIG. 10, work schedule information 44d and work result information 44e are stored in the database 44a. The office PC 45 is provided with a schedule registration / confirmation function 45c.

Next, the operation will be described.
As shown in FIG. 10, work schedule information is registered in advance in the database 44 a of the server 44 by the schedule registration / confirmation function 45 c of the office PC 45.
The site worker 21 can perform work while displaying the work schedule on the data / video display device 22b.
Further, when the work is completed, the work result information can be input from the data input device 22c, and the work can be performed while checking for any unfinished work. The work result input is also transmitted to the server 44.
By operating the office PC 45, the schedule registration / confirmation function 45c can confirm that there is no work leakage from the work result of the server 44, and the work item and the execution result can be automatically input when the work report is created. It becomes possible.

  According to the fourth embodiment, the work according to the schedule can be reliably performed as described above, and the work accuracy is improved.

Embodiment 5. FIG.
FIG. 11 is a block diagram showing a maintenance work support system according to Embodiment 5 of the present invention.
11, 1-5, 3a, 3b, 22, 22a-22c, 22e, 22f, 41, 43, 44 are the same as those in FIG. In FIG. 11, the portable field maintenance work support device 22 is provided with a video input device 22d, and the central control room 4 is provided with a video display device 46 connected to a data / video / audio communication device 41 and a private telephone system 42. It has been.

FIG. 12 is a block diagram showing mainly the local telephone system of the maintenance work support system according to the fifth embodiment of the present invention.
In FIG. 12, 4, 22, 22e and 42 are the same as those in FIG. In FIG. 12, the description of the data / video / audio communication device 41 and the OFDM communication line terminal device 3b from the private telephone system 42 to the portable field maintenance work support device 22 in FIG. 11 is omitted.

Next, the operation will be described.
As shown in FIG. 11, the local telephone system 42 of the central control room 4 is connected to a data / video / audio communication device 41, so that the field worker 21 communicates with other workers throughout the campus. Is possible.
In response to an instruction by voice call from an operator or the like in the central control room 4, the field worker 21 takes a picture of the plant equipment 1 with the video input device 22d and displays it on the video display device 46. 4, the photographed image of the plant device 1 can be confirmed.
The on-site telephone system 42 supervises the on-site telephone including the voice communication device 22e which is the on-site telephone function of the portable on-site maintenance work support device 22 used by the on-site worker 21. Calls from other departments on the premises and mobile phones on the premises are also possible.

According to the fifth embodiment, in this way, the field worker can make a call by video / audio, and the situation of the site can be confirmed by a large number of people at the same time, thereby improving the efficiency of the maintenance work.

BRIEF DESCRIPTION OF THE DRAWINGS It is a block diagram which shows the maintenance work assistance system by Embodiment 1 of this invention. It is an external view which shows the example of mounting of the portable field work maintenance support apparatus of the maintenance work support system by Embodiment 1 of this invention. It is a figure which shows the data flow regarding the alarm information of the maintenance work assistance system by Embodiment 1 of this invention. It is a figure which shows the example of the audio | voice alarm information of the maintenance work assistance system by Embodiment 1 of this invention. It is a block diagram which shows the maintenance work assistance system by Embodiment 2 of this invention. It is a figure which shows the data flow in the case of using the operation information monitoring information automatic storage function for maintenance work of the maintenance work support system by Embodiment 2 of this invention. It is a block diagram which shows the maintenance work assistance system by Embodiment 3 of this invention. It is a figure which shows the data flow in the case of using the maintenance relevant information and equipment drawing information of the maintenance work assistance system by Embodiment 3 of this invention. It is a block diagram which shows the maintenance work assistance system by Embodiment 4 of this invention. It is a figure which shows the data flow in the case of using the work schedule reference and work result of the maintenance work assistance system by Embodiment 4 of this invention. It is a block diagram which shows the maintenance work assistance system by Embodiment 5 of this invention. It is a block diagram centering on the local telephone system of the maintenance work support system by Embodiment 5 of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Plant equipment 2 Field 21 Field worker 22 Portable field work maintenance support device 22a Data / video / voice communication device 22b Video / data display device 22c Data input device 22d Video input device 22e Voice communication device 22f OFDM communication line terminal device 3 Communication line 3a Communication line 3b OFDM communication line terminal device 4 Central control room 41 Data / video / audio communication device 42 Private telephone system 43 Private broadcasting device 44 Server 44a Database 44b Operation information monitoring information automatic storage function 44c for maintenance work Maintenance-related information / facility drawing information 44d Work schedule information 44e Work result information 45 Office PC
45a Report creation function 45b Drawing registration function 45c Schedule registration / confirmation function 46 Video display device

Claims (5)

In the maintenance work support system that supports the maintenance work of the target device,
A server device having a database for storing information related to maintenance work of the target device including voice information, a first communication device connected to the server device, and a first communication device held by a worker and the first communication device A portable field work maintenance support device having a second communication device connected to the first communication device via a communication line so as to communicate;
The portable field work maintenance support device receives information on maintenance work of the target device stored in the database of the server device via the second communication device, and relates to the received maintenance work of the target device. A maintenance work support system comprising: a display device that displays information; and a voice output device that outputs voice information included in the information related to the maintenance work of the target device. The portable field work maintenance support device includes an input device to which operation information for controlling the target device is input, and the server device transmits the operation information input by the input device to the first communication. The maintenance work support system according to claim 1, wherein the maintenance work support system is acquired through an apparatus and stored in the database. The database stores maintenance information and facility drawing information of the target device, and the portable field work maintenance support device stores maintenance information and facility drawing information of the target device stored in the database. The maintenance work support system according to claim 1, wherein the maintenance work support system is acquired via the second communication device and displayed on the display device. The database stores the maintenance work schedule information, and the portable field work maintenance support device acquires the schedule information stored in the database via the second communication device. The maintenance work support system according to any one of claims 1 to 3, wherein the maintenance work support system is displayed on a display device. The maintenance work support according to any one of claims 1 to 4, wherein an existing unused cable is used for the communication line connecting the first communication device and the second communication device. system.

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